The potential applications are vast, but uncertainty lingers as to whether the remaining challenges can ever be resolved.MARIE FREEBODY, CONTRIBUTING EDITOR, [email protected]The next decade is going to be a telling one for those working in pursuit of cardiac optogenetics. Initial proofs have been demonstrated, the optical tools have been developed and scientific evidence has grown to a point where the tremendous potential of this technique is clear. Cardiac optogenetics holds out the promise of a wide range of clinical possibilities from halting heart attacks and treating arrhythmia to displacing the need for animal testing of drugs. But there are doubters, even among the researchers themselves, that the remaining hurdles may, in the end, prove too complex...Read full articleRelated content from Photonics MediaARTICLESLaser Technology Enhances and Expands the Medical ToolkitMedical lasers have been used for decades in surgical contexts. 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